Home / 15,266.46-21,068.07-8,551.77

Finding the Fourth Proportional to 15,266.46, 21,068.07 and 8,551.77

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Solution

The fourth proportional to 15,266.46, 21,068.07 and 8,551.77 is: 11,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.46 : 21,068.07 = 8,551.77 : x
  2. Step 2: Convert to fraction form
    15,266.46/21,068.07 = 8,551.77/x
  3. Step 3: Cross multiply
    15,266.46x = 21,068.07 × 8,551.77
  4. Step 4: Simplify right side
    15,266.46x = 180,169,288.98
  5. Step 5: Solve for x
    x = 180,169,288.98/15,266.46
  6. Step 6: Final answer
    x = 11,801.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.